Table Of Contents; Pwb Adjustment / Do Before Entering The Adjustment Mode; 1. H Size Horizontal Size Crosshatch; Adjustment Point : Sfr601 - Aiwa TV-F2400 Service Manual

ADJUSTMENT
Electrical adjustment:
• Operate after inputting the following initial figures when replacing EEP ROM.
• Check the condition and adjust the area where the general repair is carried out.
PAGE 1
1. H POS
2. V POS
3. V SIZE
4. OSD POS
5. PIF VCO
6. RF AGC
PAGE 2
1. R CUT OFF
2. G CUT OFF
3. B CUT OFF
4. G DRIVE
5. B DRIVE
PAGE 3
1. SUB CONTRAST
2. SUB BRIGHT
3. SUB TINT
4. SUB COLOR
PAGE 4
1. 3.58 TRAP
2. BPF
3. H AFC
4. WPL
PAGE 5
1. ATT
2. SPECTRAL
3. WIDEBAND
PWB Adjustment / Do before entering the adjustment mode
1. H SIZE Horizontal Size Crosshatch
Input Signal : Crosshatch
Adjustment Point : SFR601
Measuring Instrument : Pattern generator / reader: LCG-401
• Use SFR601 to adjust the dot mark of the crosshatch to the center.

(So that the number of measure become the same horizontally and vertically)

2. PIN & BARREL Pin Phase & Pin Amplitude (Barrel) Adjustment (Linearity).
Input Signal : Crosshatch
Adjustment Point : SFR602 / PIN (Fig. A)
SFR603 / BARREL (Fig. B)
Measuring Instrument : Pattern generator / reader: LCG-401
• Adjust the crosshatch distortion.
1. Use SFR602 to adjust the vertical distortion (Fig. A).
2. Use SFR603 to adjust the horizontal distortion (Fig. B).
• Repeat 1~2 until the vertical lines become straight.
Initial Value
16
3
30
6
58
32
127
127
127
127
127
- 5
+ 32
+ 16
+ 16
Specific Value
OFF
AUTO
+ 1
OFF
10
24
44
6 ~ 7
Center
6 ~ 7
Fig. A
Fig. B
Crosshatch signals are not illustrated
- 6 -